I'm always tricked into going here by how nice the patio looks. Don't be fooled. Went for lunch recently on a beautiful day, decided it was such a nice patio we should eat at Pappas. First off the server (older woman) was completely indifferent to us. Fake nice, you could tell she was having a hard time not rolling her eyes at us when we asked for things like lemon with our pop. Secondly the food was terrible. I didn't find the portions large, the chicken souvlaki tasted like it had been soaked in water, the salads were tiny and the dressing disappointing, and the prices quite expensive especially given the quality and quantity.
We waited a lonngggg time to order, and for our bill, to the point where I had to finally get up and go inside, track her down (she was chatting with a colleague and seemed irritated that I interrupted) to ask for the bill; then we still had to wait at least another 5 minutes for her to bring it to the table. We were one of 3 tables she was ignoring, so it wasn't like she was swamped and couldn't get to it.
Given the amazing number of Greek restaurants in the area I wouldn't waste another penny at Pappas. Avoid.